Investigate `ServerCanBeStartedAndAborted_TcpIp` test flakiness

[Evangelink]

This test is often flaky:

src/Platform/Microsoft.Testing.Platform/ServerMode/JsonRpc/MessageHandlerFactory.cs#L54

src/Platform/Microsoft.Testing.Platform/ServerMode/JsonRpc/MessageHandlerFactory.cs(54,1): error : [ServerCanBeStartedAndAborted_TcpIp] Test method Microsoft.Testing.Platform.UnitTests.ServerTests.ServerCanBeStartedAndAborted_TcpIp threw exception:
System.InvalidOperationException: The operation is not allowed on non-connected sockets.